Helkiær Jensen, R. (1974) “W. T. W. Morgan & N. Manfred Shaffer: Population of Kenya. Density and Distribution. A geographical introduction to the Kenya Population Census, 1962”., Geografisk Tidsskrift, 73. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/45714 (Set: 5 december 2025).